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A335 P91 motsoako oa tšepe phala
A335 P91 motsoako oa tšepe phala
A335 P91 motsoako oa tšepe phala
A335 P91 motsoako oa tšepe phala

ASTM A335 P91 Alloy Pipe ea tšepe

Alloy Steel P91 Pipes li loketse lits'ebetso. Hangata, e sebetsa indastering ea matla le limela tsa petrochemical.
Kenyelletso ea sehlahisoa

Tlhaloso e tloaelehileng ea Astm A335 bakeng sa pipe ea tšepe e se nang seamless ferritic alloy-steel bakeng sa tšebeletso ea mocheso o phahameng

Tekanyetso ea ASTM A335 e fanoa tlasa lebitso le tsitsitseng la A 335/A 335M; nomoro hang ka mor'a ho khethoa e bontša selemo sa ho adoptha sethathong kapa, tabeng ya tokiso, selemo sa tokiso ya ho qetela. Palo e masakaneng e bontša selemo sa ho amoheloa hape. Superscript epsilon ( ュ) e bonts'a phetoho ea bohlophisi ho tloha ha ho etsoa tlhahlobo ea ho qetela kapa tumello e ncha.

Sebaka

1.1Tlhahiso ena e akaretsa peipi ea tšepe ea tšepe e se nang seamless (karolelano) e reretsoeng tšebeletso ea mocheso o phahameng (Mote 1). Pipe e laetsoeng ka mokhoa ona e tla ba e loketseng bakeng sa ho kobeha, ho kobeha (vanstoning), le ts'ebetso e ts'oanang ea ho etsa, le bakeng sa ho cheselletsa fusion. Khetho e tla itšetleha ka moralo, maemo a ts'ebeletso, thepa ea mochini, le litšoaneleho tsa mocheso o phahameng.

ELA HLOKO 1 Α Sehlomathiso X1 se thathamisa boholo le botenya ba lebota ba liphaephe tse ka fumanoang tlas'a mokhoa oa hajoale oa khoebo.

1.2 Likarolo tse 'maloa tsa litšepe tsa ferritic (Tlhaloso ea 2) li koahetsoe.

Ntlha ea 2

Litšepe tsa ΑFerritic tlhalosong ena li hlalosoa e le litšepe tsa alloy tse tlase le tse mahareng tse nang le ho fihla le ho kenyelletsa 10% chromium.
1.3 Litlhokahalo tsa tlatsetso (S1 ho isa ho S7) tsa mofuta oa boikhethelo li fanoe. Litlhoko tsena tsa tlatsetso li hloka hore ho etsoe liteko tse eketsehileng, 'me ha li lakatsoa, ​​li tla boleloa ka tatellano hammoho le palo ea liteko tse joalo tse hlokahalang.
1.4 Litekanyetso tse boletsoeng ho yuniti ea inch-pound kapa liyuniti tsa SI li lokela ho nkuoa ka thoko joalo ka maemo. Ka har'a mongolo, li-unit tsa SI li bonts'oa ka masakaneng. Litekanyetso tse boletsoeng tsamaisong ka 'ngoe ha li lekane hantle; ka hona, tsamaiso e 'ngoe le e' ngoe e tlameha ho sebelisoa ntle le e 'ngoe. Ho kopanya litekanyetso ho tsoa ho litsamaiso tse peli ho ka baka ho se lumellane le litlhaloso. Liyuniti tsa inch-pound li tla sebetsa ntle le haeba lebitso la "M" la tlhaloso ena le boletsoe ka tatellano.

Tlhokomeliso 3ΑMoqapi o se nang litekanyo oa NPS (boholo ba phala ka lebitso) o emiselitsoe boemong bona bakeng sa mantsoe a tloaelehileng a kang "diameter ea lebitso," "boholo" le "boholo ba lebitso."

Thepa & Tlhahiso

Pipe e ka 'na ea chesa e felile kapa ea bata ka mokhoa oa ho qetela oa phekolo o boletsoeng ka tlase.


Teko ea Tension ea Transverse kapa Longitudinal le Teko ea ho Belafatsa, Tlhahlobo ea boima, kapa liteko tsa BendMechanical tse boletsoeng.

Bakeng sa mocheso oa thepa o tšoaroang ka sebōping sa mofuta oa batch, liteko li lokela ho etsoa ho 5% ea phala ho tloha sebakeng se seng le se seng se phekoloang. Bakeng sa lotho tse nyane, bonyane phala e le 'ngoe e tla lekoa.
Bakeng sa mocheso oa thepa o tšoaroang ke ts'ebetso e tsoelang pele, liteko li tla etsoa ka palo e lekaneng ea pipe ho etsa 5% ea lotho, empa ha ho joalo ka tlase ho 2 pipe.

Lintlha tsa Tlhahlobo ea Bothata:
P91 e ke ke ea ba le boima bo sa feteng 250 HB/265 HV [25HRC].

Lintlha tsa Teko ea Bend:
Bakeng sa phaephe eo bophara ba eona bo fetang NPS 25 le eo bophara ba eona botenya ba lebota e leng 7.0 kapa ka tlase ho eona e tla etsoa teko ea ho kobeha ho fapana le teko ea ho batalla.
Peipi e 'ngoe eo bophara ba eona bo lekanang kapa bo fetang NPS 10 e ka fuoa teko ea ho khopama sebakeng sa teko ea ho batalatsa ho ipapisitsoe le tumello ea moreki.
Mehlala ea tlhahlobo ea bend e tla kobeha mocheso oa kamore ka 180 ntle le ho peperana ka ntle ho karolo e kobehileng.

Teko ea Hydrostatic

Bophara ba ka hare ba kobeho e lokela ho ba lisenthimithara tse 25.
Bolelele bo bong le bo bong ba phala bo tla lekoa Hydro, ka khetho ea ho etsa tlhahlobo ea motlakase e sa senyeheng e ka sebelisoa.

Lintlha tsa tekheniki
Sebopeho sa Lik'hemik'hale:
Kereiti C Mong P S Si Mo
P1 0.10-0.20 0.30-0.80 0.025 0.025 0.10-0.50 0.44-0.65
P2 0.10-0.20 0.30-0.61 0.025 0.025 0.10-0.30 0.44-0.65
P5 0.15 max 0.30-0.60 0.025 0.025 0.50 max 0.45-0.65
P5b 0.15 max 0.30-0.60 0.025 0.025 1.00-2.00 0.45-0.65
P5c 0.12 max 0.30-0.60 0.025 0.025 0.50 max 0.45-0.65
P9 0.15 max 0.30-0.60 0.025 0.025 0.25-1.00 0.90-1.10
P11 0.05-0.15 0.30-0.60 0.025 0.025 0.50-1.00 0.44-0.65
P12 0.05-0.15 0.30-0.61 0.025 0.025 0.50 max 0.44-0.65
P15 0.05-0.15 0.30-0.60 0.025 0.025 1.15-1.65 0.44-0.65
P21 0.05-0.15 0.30-0.60 0.025 0.025 0.50 max 0.80-1.06
P22 0.05-0.15 0.30-0.60 0.025 0.025 0.50 max 0.87-1.13
P23 0.04-0.10 0.10-0.60 0.030 max 0.010max 0.50 max 0.05-1.30

Thepa ea Mechini
Thepa ea mechine P1,P2 P12 P23 P91 P92,P11 P122
Matla a tšepe 380 415 510 585 620 620
Ho hlahisa matla 205 220 400 415 440 400
Litlhoko tsa Phekolo ea Mocheso
Kereiti Mofuta oa Phekolo ea Mocheso
P5, P9, P11, le P22
Boemo bo Tloaelehileng ba Thempereichara F [C] Subcritical Annealing kapa Tempering
Boemo ba Mocheso F [C]
A335 P5 (b,c) Aneal e felletseng kapa e Isothermal
Tloaeleha le ho halefa ***** 1250 [675]
Subcritical Anneal (P5c feela) ***** 1325 - 1375 [715 - 745]
A335 P9 Aneal e felletseng kapa e Isothermal
Tloaeleha le ho halefa ***** 1250 [675]
A335 P11 Aneal e felletseng kapa e Isothermal
Tloaeleha le ho halefa ***** 1200 [650]
A335 P22 Aneal e felletseng kapa e Isothermal
Tloaeleha le ho halefa ***** 1250 [675]
A335 P91 Tloaeleha le ho halefa 1900-1975 [1040 - 1080] 1350-1470 [730 - 800]
Tlosa le ho halefa 1900-1975 [1040 - 1080] 1350-1470 [730 - 800]
Kalafo ea Mocheso A / N+T N+T / Q+T N+T
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